Major cities in Indiana state

Counties in Indiana state

Weather for the next 15 days in Indianapolis, Indiana state, USA

Weather in Indianapolis for today, Saturday, 20 Oct 2018

Sunrise: 08:01
Sunset: 18:59
Moonrise: 17:23
Moonset: 03:43
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
OvercastPatchy rain possibleClearPartly cloudyPartly cloudyLight rain showerPartly cloudyClear
Temperature45°F46°F46°F46°F52°F52°F46°F43°F
Feels Like41°F48°F48°F48°F54°F54°F48°F39°F
Precipitation0 mm0.1 mm0 mm0 mm0 mm0.3 mm0 mm0 mm
Probability0 %68 %0 %0 %0 %74 %0 %0 %
Cloud Cover100 %53 %0 %3 %44 %51 %16 %0 %
Wind Speed12 mph12 mph14 mph12 mph21 mph13 mph12 mph8 mph
Wind DirectionWSWWWNWWNWWNWNNWNNW
Wind Gusts17 mph15 mph17 mph14 mph21 mph30 mph21 mph17 mph
Humidity87 %89 %91 %72 %51 %48 %53 %61 %
Pressure1016 mb1013 mb1015 mb1019 mb1015 mb1018 mb1019 mb1022 mb
Dew Point43°F46°F46°F41°F36°F34°F32°F32°F
Heat Index46°F48°F48°F48°F54°F54°F48°F45°F
Wind Chill41°F48°F48°F48°F54°F54°F48°F39°F
Visibility11 mi12 mi12 mi12 mi12 mi11 mi10 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
464645464646464646464646485052525252504846464543
0.10000.10.10.1000000000.10.20.30.20.10000
1112121212121314141312121518211816131313121198

Weather in Indianapolis for tomorrow, Sunday, 21 Oct 2018

Sunrise: 08:02
Sunset: 18:57
Moonrise: 17:52
Moonset: 04:42
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
ClearClearPartly cloudySunnySunnySunnyPartly cloudyPartly cloudy
Temperature39°F34°F32°F37°F46°F46°F39°F36°F
Feels Like36°F28°F27°F36°F48°F48°F37°F32°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover0 %0 %3 %0 %0 %0 %3 %2 %
Wind Speed7 mph10 mph8 mph4 mph6 mph6 mph6 mph7 mph
Wind DirectionNWNWNNWNNWWSWWSWSWSW
Wind Gusts15 mph14 mph11 mph5 mph6 mph10 mph12 mph15 mph
Humidity70 %79 %75 %58 %46 %44 %55 %65 %
Pressure1023 mb1027 mb1029 mb1031 mb1029 mb1027 mb1027 mb1026 mb
Dew Point32°F30°F27°F27°F28°F27°F27°F27°F
Heat Index41°F36°F34°F39°F48°F48°F41°F37°F
Wind Chill36°F28°F27°F36°F48°F48°F37°F32°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
434139373634343432343637414546464646454339393736
000000000000000000000000
7778910998664556666666677

Weather in Indianapolis for Monday, 22 Oct 2018

Sunrise: 08:03
Sunset: 18:56
Moonrise: 18:21
Moonset: 05:42
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyCloudyPartly cloudyPartly cloudy
Temperature34°F32°F32°F43°F55°F57°F52°F43°F
Feels Like30°F28°F28°F39°F57°F59°F52°F39°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover4 %6 %4 %5 %5 %64 %28 %2 %
Wind Speed7 mph8 mph6 mph9 mph14 mph13 mph10 mph9 mph
Wind DirectionSSWSWSSWSWSWSWSWSW
Wind Gusts16 mph15 mph19 mph17 mph17 mph17 mph21 mph19 mph
Humidity67 %70 %70 %54 %43 %44 %62 %65 %
Pressure1026 mb1025 mb1023 mb1022 mb1021 mb1019 mb1022 mb1021 mb
Dew Point27°F27°F25°F28°F34°F37°F36°F34°F
Heat Index36°F34°F34°F45°F57°F59°F59°F45°F
Wind Chill30°F28°F28°F39°F57°F59°F52°F39°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
363634343432323232363943485255575757555452504643
000000000000000000000000
7777787667891112141414131211101099

Weather in Indianapolis for Tuesday, 23 Oct 2018

Sunrise: 08:04
Sunset: 18:54
Moonrise: 18:50
Moonset: 06:43
UV Index: 0
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyPartly cloudyClearSunnySunnySunnyClearPartly cloudy
Temperature39°F37°F39°F46°F55°F55°F48°F43°F
Feels Like36°F34°F37°F48°F57°F57°F50°F41°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover11 %15 %0 %0 %0 %0 %0 %1 %
Wind Speed8 mph7 mph5 mph5 mph7 mph8 mph5 mph5 mph
Wind DirectionWSWWSWWNWNNWNNWNNWNNNE
Wind Gusts17 mph14 mph8 mph5 mph7 mph9 mph12 mph14 mph
Humidity79 %80 %91 %69 %49 %46 %59 %75 %
Pressure1022 mb1021 mb1023 mb1023 mb1023 mb1023 mb1024 mb1025 mb
Dew Point36°F34°F39°F39°F39°F37°F36°F36°F
Heat Index41°F39°F41°F48°F57°F57°F50°F45°F
Wind Chill36°F34°F37°F48°F57°F57°F50°F41°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
434139393937393939434546505455555555545248464543
000000000000000000000000
988777665555667778765555

Weather in Indianapolis for Wednesday, 24 Oct 2018

Sunrise: 08:05
Sunset: 18:53
Moonrise: 19:22
Moonset: 07:47
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
ClearPartly cloudyPartly cloudyPartly cloudyPartly cloudyCloudyCloudyCloudy
Temperature37°F36°F34°F43°F50°F52°F45°F39°F
Feels Like36°F32°F30°F41°F52°F54°F43°F37°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover0 %2 %11 %33 %55 %74 %70 %70 %
Wind Speed6 mph6 mph5 mph7 mph6 mph7 mph5 mph6 mph
Wind DirectionNNENENEENEENENENEENE
Wind Gusts9 mph12 mph13 mph12 mph10 mph11 mph13 mph14 mph
Humidity82 %84 %85 %62 %44 %42 %54 %68 %
Pressure1026 mb1026 mb1027 mb1027 mb1026 mb1024 mb1024 mb1023 mb
Dew Point36°F34°F32°F32°F32°F30°F30°F32°F
Heat Index39°F37°F36°F45°F52°F54°F46°F41°F
Wind Chill36°F32°F30°F41°F52°F54°F43°F37°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
413937373736363634374143464850525252504845434139
000000000000000000000000
666666665667666677665566

Weather in Indianapolis for Thursday, 25 Oct 2018

Sunrise: 08:06
Sunset: 18:52
Moonrise: 19:55
Moonset: 08:52
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
CloudyCloudyCloudyCloudyPartly cloudyCloudyPartly cloudyPartly cloudy
Temperature37°F36°F36°F45°F48°F48°F45°F43°F
Feels Like36°F32°F32°F43°F50°F50°F43°F41°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover77 %75 %76 %75 %36 %83 %16 %47 %
Wind Speed5 mph5 mph5 mph7 mph8 mph8 mph7 mph3 mph
Wind DirectionENEENEENEEEEEE
Wind Gusts11 mph9 mph9 mph11 mph10 mph10 mph11 mph12 mph
Humidity76 %83 %85 %66 %60 %60 %67 %81 %
Pressure1023 mb1023 mb1022 mb1022 mb1020 mb1019 mb1020 mb1023 mb
Dew Point32°F32°F34°F36°F36°F37°F37°F39°F
Heat Index39°F37°F37°F46°F50°F50°F46°F45°F
Wind Chill36°F32°F32°F43°F50°F50°F43°F41°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
393937373736363636394345464848484848484645454543
000000000000000000000000
655555555667778888777643

Weather in Indianapolis for Friday, 26 Oct 2018

Sunrise: 08:07
Sunset: 18:50
Moonrise: 20:34
Moonset: 09:58
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
CloudyPartly cloudyPartly cloudyPartly cloudyCloudyPatchy rain possiblePatchy rain possiblePartly cloudy
Temperature41°F39°F36°F45°F50°F50°F46°F43°F
Feels Like39°F36°F32°F43°F52°F52°F48°F41°F
Precipitation0 mm0 mm0 mm0 mm0 mm0.1 mm0.1 mm0 mm
Probability0 %0 %0 %0 %0 %64 %60 %0 %
Cloud Cover77 %27 %50 %48 %86 %56 %80 %47 %
Wind Speed5 mph6 mph6 mph8 mph9 mph9 mph6 mph3 mph
Wind DirectionESESEEESESESESSE
Wind Gusts9 mph5 mph7 mph6 mph5 mph1 mph2 mph6 mph
Humidity80 %84 %85 %77 %66 %67 %77 %70 %
Pressure1020 mb1020 mb1017 mb1019 mb1015 mb1014 mb1013 mb1012 mb
Dew Point36°F36°F34°F39°F39°F41°F43°F36°F
Heat Index43°F41°F37°F46°F52°F52°F48°F45°F
Wind Chill39°F36°F32°F43°F52°F52°F48°F41°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
434341414139393736394345464850505050504846464543
00000000000000000.10.10.10.10.10.100
445566666678899999876543

Weather in Indianapolis for Saturday, 27 Oct 2018

Sunrise: 08:08
Sunset: 18:49
Moonrise: 21:18
Moonset: 11:05
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyPartly cloudyCloudyOvercastPartly cloudyPartly cloudyCloudyLight drizzle
Temperature39°F39°F39°F45°F54°F54°F48°F43°F
Feels Like37°F37°F37°F43°F55°F55°F50°F41°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0.3 mm
Probability0 %0 %0 %0 %0 %0 %0 %87 %
Cloud Cover59 %45 %71 %97 %25 %18 %69 %100 %
Wind Speed4 mph5 mph6 mph9 mph9 mph8 mph6 mph6 mph
Wind DirectionSSWSSWSSWSSWSSWSSWSS
Wind Gusts6 mph8 mph11 mph11 mph14 mph16 mph22 mph27 mph
Humidity78 %84 %89 %71 %57 %54 %68 %80 %
Pressure1012 mb1011 mb1011 mb1010 mb1008 mb1007 mb1007 mb1007 mb
Dew Point36°F36°F37°F37°F39°F39°F39°F39°F
Heat Index41°F41°F41°F46°F55°F55°F50°F45°F
Wind Chill37°F37°F37°F43°F55°F55°F50°F41°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi1 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
434139393939393939414345485254545454525048464543
0000000000000000000000.10.20.3
334445566789999988766666

Weather in Indianapolis for Sunday, 28 Oct 2018

Sunrise: 08:09
Sunset: 18:48
Moonrise: 22:09
Moonset: 12:11
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
OvercastModerate rain at timesPatchy rain possibleOvercastOvercastLight drizzleCloudyPartly cloudy
Temperature43°F43°F43°F50°F54°F54°F48°F46°F
Feels Like41°F41°F39°F52°F55°F55°F50°F48°F
Precipitation0 mm4.6 mm0.5 mm0 mm0 mm0.2 mm0 mm0 mm
Probability0 %74 %74 %0 %0 %71 %0 %0 %
Cloud Cover100 %77 %76 %100 %100 %93 %64 %17 %
Wind Speed7 mph7 mph10 mph10 mph13 mph14 mph9 mph9 mph
Wind DirectionSSWWSWWSWWSWWWNWWNWENE
Wind Gusts26 mph11 mph17 mph17 mph17 mph19 mph17 mph9 mph
Humidity88 %92 %95 %74 %62 %67 %71 %84 %
Pressure1006 mb1007 mb1006 mb1006 mb1005 mb1010 mb1005 mb1004 mb
Dew Point41°F43°F45°F45°F43°F45°F41°F43°F
Heat Index45°F45°F45°F52°F55°F55°F50°F48°F
Wind Chill41°F41°F39°F52°F55°F55°F50°F48°F
Visibility6 mi5 mi6 mi6 mi6 mi1 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
434343434343434343464850525454545454525048484846
0.20.101.53.14.63.21.90.50.30.200000.10.10.20.10.10000
667777891010101011121314141413119999

Weather in Indianapolis for Monday, 29 Oct 2018

Sunrise: 08:10
Sunset: 18:47
Moonrise: 23:07
Moonset: 13:13
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPatchy rain possible
Temperature45°F43°F41°F46°F57°F57°F54°F54°F
Feels Like43°F39°F37°F48°F54°F54°F52°F50°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %11 %
Cloud Cover17 %14 %27 %22 %32 %29 %16 %25 %
Wind Speed8 mph7 mph8 mph11 mph11 mph11 mph8 mph9 mph
Wind DirectionENENENEENEENEENENNNE
Wind Gusts9 mph13 mph13 mph12 mph13 mph14 mph15 mph16 mph
Humidity91 %98 %99 %81 %59 %61 %69 %68 %
Pressure1002 mb1004 mb1004 mb1007 mb1017 mb1016 mb1013 mb1013 mb
Dew Point45°F45°F43°F43°F43°F43°F45°F43°F
Heat Index46°F45°F43°F48°F57°F57°F54°F54°F
Wind Chill43°F39°F37°F48°F54°F54°F52°F50°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
464645454543434341434546505457575757575554545454
000000000000000000000000
888777778991111111111111111118999

Weather in Indianapolis for Tuesday, 30 Oct 2018

Sunrise: 08:11
Sunset: 18:45
Moonrise: 19:00
Moonset: 14:09
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain possiblePartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudy
Temperature46°F45°F43°F45°F52°F52°F55°F52°F
Feels Like39°F39°F39°F41°F46°F48°F55°F52°F
Precipitation0.1 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability63 %53 %0 %0 %0 %0 %0 %0 %
Cloud Cover74 %68 %38 %33 %11 %17 %49 %41 %
Wind Speed12 mph11 mph6 mph7 mph14 mph12 mph2 mph3 mph
Wind DirectionNEEWNWWSWNEENESSSE
Wind Gusts19 mph17 mph9 mph11 mph16 mph14 mph4 mph6 mph
Humidity63 %68 %90 %83 %46 %48 %61 %63 %
Pressure1017 mb1016 mb1010 mb1011 mb1015 mb1015 mb1010 mb1011 mb
Dew Point34°F36°F39°F39°F30°F32°F41°F39°F
Heat Index46°F45°F43°F45°F52°F52°F55°F52°F
Wind Chill39°F39°F39°F41°F46°F48°F55°F52°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
545246454545454543454545454552525252525255525252
000.10.10.10.10.10.10000000000000000
991211111111106777781412121212102333

Weather in Indianapolis for Wednesday, 31 Oct 2018

Sunrise: 08:12
Sunset: 18:44
Moonrise: 00:10
Moonset: 14:58
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyModerate rain at timesModerate rain at timesSunnySunnyModerate rain at timesModerate rain at timesPartly cloudy
Temperature39°F41°F50°F50°F50°F50°F52°F50°F
Feels Like34°F36°F45°F46°F46°F48°F48°F46°F
Precipitation0 mm0.6 mm3.5 mm2.9 mm0 mm0.5 mm2.9 mm2.4 mm
Probability0 %11 %63 %53 %0 %15 %88 %73 %
Cloud Cover3 %15 %75 %62 %0 %10 %57 %58 %
Wind Speed9 mph9 mph11 mph10 mph6 mph6 mph9 mph8 mph
Wind DirectionNNENEESEENNEENESSWS
Wind Gusts14 mph15 mph17 mph16 mph7 mph8 mph15 mph14 mph
Humidity70 %73 %88 %81 %46 %52 %80 %77 %
Pressure1019 mb1017 mb1007 mb1010 mb1022 mb1019 mb1005 mb1008 mb
Dew Point30°F34°F46°F43°F30°F32°F45°F43°F
Heat Index39°F41°F50°F50°F50°F50°F52°F50°F
Wind Chill34°F36°F45°F46°F46°F48°F48°F46°F
Visibility6 mi6 mi5 mi5 mi6 mi6 mi5 mi5 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
525039414141414350505050505050505050505052505050
0000.60.60.60.61.23.52.92.92.92.92.300.50.50.50.512.92.42.42.4
34999999111010101096666679888

Weather in Indianapolis for Thursday, 01 Nov 2018

Sunrise: 08:14
Sunset: 18:43
Moonrise: 01:18
Moonset: 15:42
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyModerate or heavy rain with thunderModerate or heavy rain with thunderPartly cloudyPartly cloudyLight rain showerLight rain showerPatchy light drizzle
Temperature41°F41°F46°F48°F52°F52°F50°F50°F
Feels Like39°F39°F46°F46°F50°F48°F46°F46°F
Precipitation0 mm0.6 mm3.7 mm3.1 mm0 mm0.1 mm0.7 mm0.7 mm
Probability0 %12 %73 %61 %0 %13 %75 %75 %
Cloud Cover60 %67 %100 %84 %5 %14 %62 %62 %
Wind Speed3 mph3 mph3 mph4 mph7 mph7 mph9 mph9 mph
Wind DirectionESEWWSWSSWWSW
Wind Gusts6 mph6 mph4 mph5 mph9 mph11 mph14 mph15 mph
Humidity62 %66 %90 %84 %52 %56 %77 %76 %
Pressure1024 mb1021 mb1003 mb1007 mb1022 mb1020 mb1009 mb1011 mb
Dew Point28°F30°F45°F43°F34°F36°F45°F43°F
Heat Index41°F41°F46°F48°F52°F52°F50°F50°F
Wind Chill39°F39°F46°F46°F50°F48°F46°F46°F
Visibility6 mi6 mi4 mi4 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
504841414141414346484848484852525252525250505050
2.41.900.60.60.60.61.23.73.13.13.13.12.500.10.10.10.10.20.70.70.70.7
873333333444447777779999

Weather in Indianapolis for Friday, 02 Nov 2018

Sunrise: 08:15
Sunset: 18:42
Moonrise: 02:26
Moonset: 16:19
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy light drizzlePatchy rain possiblePatchy rain possibleModerate rain at timesModerate rain at timesPartly cloudyPartly cloudyPatchy rain possible
Temperature48°F46°F43°F45°F52°F52°F54°F52°F
Feels Like43°F43°F39°F41°F50°F50°F50°F48°F
Precipitation0.5 mm0.4 mm0.1 mm1.1 mm6.2 mm5.2 mm0 mm0 mm
Probability75 %75 %75 %77 %85 %71 %0 %10 %
Cloud Cover63 %65 %77 %76 %71 %65 %34 %43 %
Wind Speed9 mph9 mph6 mph6 mph7 mph7 mph11 mph9 mph
Wind DirectionSSSWSWSWSWSSES
Wind Gusts16 mph15 mph11 mph11 mph9 mph11 mph19 mph17 mph
Humidity71 %74 %89 %87 %76 %76 %75 %74 %
Pressure1016 mb1016 mb1014 mb1013 mb1011 mb1011 mb1011 mb1011 mb
Dew Point39°F39°F41°F41°F45°F45°F46°F45°F
Heat Index48°F46°F43°F45°F52°F52°F54°F52°F
Wind Chill43°F43°F39°F41°F50°F50°F50°F48°F
Visibility3 mi4 mi6 mi6 mi5 mi5 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
505048464646464643454545454652525252525254525252
0.70.60.50.40.40.40.40.40.11.11.11.11.12.16.25.25.25.25.24.10000
9999999966666677777811999

Weather forecast interval

States in U.S.

Counties in Indiana state

Major cities in Indiana state

Short Term Forecast

Long Term Forecast