Weather Report
Great Falls/Malmstrom AFB, Montana
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Current Conditions -  °F | °C
As of 7:53 AM on Tuesday 21 May 2013 (Local Time) from KGTF Reporting Station
Clear Clear   Feels Like: 49°
Wind Chill: 49°   Ceiling: Unl
Heat Index: 49°   Visibility: 10mi
Dew Point: 44°   Wind: 0mph
Humidity: 83%   Direction: NA NA
Pressure: 30.03"   Gusts: NA
Report Text: KGTF 211353Z 00000KT 10SM CLR 09/07 A3003 RMK AO2 SLP175 T00940067
9 AM
Sunny
Sunny 57°
10 AM
Sunny
Sunny 62°
11 AM
Sunny
Sunny 65°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
may
21
Sunny/Wind
Sunny/Wind
72°
46°
may
22
P Cloudy
P Cloudy
68°
45°
may
23
Showers
Showers
59°
47°
may
24
Iso T-Storms
Iso T-Storms
64°
41°
may
25
P Cloudy
P Cloudy
74°
47°
may
26
P Cloudy
P Cloudy
71°
52°
may
27
Few Showers
Few Showers
69°
49°
may
28
P Cloudy
P Cloudy
71°
51°
may
29
P Cloudy
P Cloudy
72°
50°
may
30
P Cloudy
P Cloudy
72°
48°
Details for Tuesday, May 21
Sunny with gusty winds developing this afternoon. High 72F. ESE winds at 10 to 15 mph, increasing to 20 to 30 mph.
Evening: Partly cloudy skies. Gusty winds during the evening. Low 46F. Winds ESE at 20 to 30 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 3%
Cloud Coverage
Sunrise: 5:41 AM
Sunset: 9:03 PM
 
Moonrise: 5:07 PM
Moonset: 3:27 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (119°)
Speed: 23Mph(37Km, 20Kts)
Details for Wednesday, May 22
Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 68F. Winds ESE at 15 to 25 mph.
Evening: An isolated thunderstorm possible during the evening, then occasional showers overnight. Low around 45F. ESE winds shifting to N at 10 to 20 mph. Chance of rain 40%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 66%
Cloud Coverage
Sunrise: 5:40 AM
Sunset: 9:04 PM
 
Moonrise: 6:21 PM
Moonset: 3:58 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (109°)
Speed: 17Mph(28Km, 15Kts)
Details for Thursday, May 23
Showers possible. Highs in the upper 50s and lows in the upper 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 6%
Snow
Cloud Coverage: 82%
Cloud Coverage
Sunrise: 5:39 AM
Sunset: 9:06 PM
 
Moonrise: 7:37 PM
Moonset: 4:34 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (326°)
Speed: 8Mph(13Km, 7Kts)
Details for Friday, May 24
Partly cloudy, chance of a thunderstorm. Highs in the mid 60s and lows in the low 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 5:38 AM
Sunset: 9:07 PM
 
Moonrise: 8:51 PM
Moonset: 5:17 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  WSW
Direction: WSW (244°)
Speed: 16Mph(26Km, 14Kts)
Details for Saturday, May 25
Times of sun and clouds. Highs in the mid 70s and lows in the upper 40s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 41%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 5:37 AM
Sunset: 9:08 PM
 
Moonrise: 9:58 PM
Moonset: 6:09 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (222°)
Speed: 9Mph(15Km, 8Kts)
Details for Sunday, May 26
Mix of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 45%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 60%
Cloud Coverage
Sunrise: 5:36 AM
Sunset: 9:09 PM
 
Moonrise: 10:57 PM
Moonset: 7:10 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (319°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 27
Few showers. Highs in the upper 60s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 67%
Cloud Coverage
Sunrise: 5:35 AM
Sunset: 9:10 PM
 
Moonrise: 11:46 PM
Moonset: 8:20 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WNW
Direction: WNW (297°)
Speed: 11Mph(18Km, 9Kts)
Details for Tuesday, May 28
Mix of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 5:34 AM
Sunset: 9:11 PM
 
Moonrise: 11:59 PM
Moonset: 9:34 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (256°)
Speed: 12Mph(20Km, 10Kts)
Details for Wednesday, May 29
Mix of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 5:34 AM
Sunset: 9:12 PM
 
Moonrise: 12:27 AM
Moonset: 10:49 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (253°)
Speed: 12Mph(20Km, 10Kts)
Details for Thursday, May 30
Times of sun and clouds. Highs in the low 70s and lows in the upper 40s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 5:33 AM
Sunset: 9:13 PM
 
Moonrise: 1:00 AM
Moonset: 12:03 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (257°)
Speed: 11Mph(18Km, 9Kts)
Chart.
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