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Weather Elements Fire Weather Aviation Weather
Temperature (°F)Dewpoint (°F)Wind Chill (°F)
Surface Wind mphSky Cover (%)Precipitation Potential (%)Relative Humidity (%)
RainThunderSnowFreezing RainSleetFog
Mixing Height x100ftHaines IndexTrans. Wind mphVent Rate (x1000 mph-ft)Grassland Fire Danger Index
Ceiling HeightVisibility
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Point Forecast: Great Falls MT 47.51N 111.31W (Elev. 3399 ft) Last Update: 10:11 am MDT Apr 10, 2020
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48-Hour Period Starting: 1pm Fri, Apr 10 2020 Submit
Comparison of Hourly Forecast Graph and Prototype Point Forecast Display for Great Falls, MT
Friday, April 10 at 3pmTemperature: 53 °F Dewpoint: 31 °F Wind Chill: N/A Surface Wind: NNW 10mphSky Cover (%): 73% Precipitation Potential (%): 34% Relative Humidity (%): 43%Rain: Chance (30%-50%) Thunder: <10% Snow: <10% Freezing Rain: <10% Sleet: <10%
International System of Units Forecast Discussion7-Day Forecast Tabular ForecastZone Forecast User Defined Area
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Winter Storm Warning from 1100 pm EDT Fri. 4/10/2020 to 200 am EDT Sun.4/12/2020Table updated: 1211 pm EDT Fri. 4/10/2020 (Last Update: 172 minutes ago)Click for Text Forecast (https://marine.weather.gov/MapClick.php?zoneid=MTZ012)TFX Forecast Discussion0 miles NW of Great Falls, MT
Weekly Summary FriApr 10
SatApr 11
SunApr 12
MonApr 13
TueApr 14
WedApr 15
ThuApr 16
FriApr 17
Max Temp, °F 55 39 34 37 46 51 54 58Min Temp, °F 42 21 7 12 20 28 29 31Min Wind Chill, °F 36 9 -5 3 12 20 23 25Max Wind, mph 12 21 13 12 12 12 10 14Min Wind, mph 10 12 7 5 6 7 6 6Max Wind Gust, mph 17 30 18 18 20 22 20 21Max Cloud Cover, % 100 100 92 83 85 77 76 65Min Cloud Cover, % 68 92 29 56 42 42 64 50Max Prob. of Precip., % 100 100 20 15 18 32 23 6Max RH, % 76 95 84 75 72 74 80 75Min RH, % 39 73 40 42 42 52 43 43Max Dew Point, °F 35 35 12 17 25 34 32 36Min Dew Point, °F 31 15 3 6 12 21 23 24Min Snow Level, x1000ft. 5.2 0 0 0 0.6 2.7 4.2 5.4
Outlooks Day 1 Day 2 Day 3
PrototypeIDSS Point Forecasts Great Falls, MT, USA
Day of week:Time:Weather:Temperature (°F):Wind Chill, °F:Wind Speed (mph):Wind Gust (mph):Wind Direction (°):Wind Direction:Prob. of Precip. (%):Prob. of Thunder (%):Precip. Amount (in.):Snow (in.):Ice (in.):Dew Point (°F):RH (%):Sky Cover (%):Snow Level (x1000 ft.):
Severe Thunderstorm NotExpected
NotExpected
NotExpected
Flash Flood NotExpected
NotExpected
NotExpected
Hourly Table
🛠 Configure Plot Order 🛠 Configure Plot Look
Hourly GraphsTemperature, °F
Probability of Precipitation, %
Precip. Amount, in
Wind Speed/Direction/Gust, mph
Friday 4/10 Saturday 4/113PM 4PM 5PM 6PM 7PM 8PM 9PM 10PM 11PM 12AM 1AM 2AM 3AM 4AM 5AM 6AM 7
55 55 53 52 51 49 47 44 42 40 39 38 36 34 32 30 255 55 53 52 51 45 42 38 36 33 32 30 27 23 20 17 112 10 10 10 10 10 10 12 12 12 12 13 15 17 20 21 217 16 16 16 16 16 16 17 17 17 17 18 22 25 29 30 3
330 340 340 340 340 340 0 20 40 20 0 340 350 20 30 30 3
20 27 34 54 74 94 96 98 100 100 100 100 100 100 100 100 1- - - - - - - - - - - - - - - -
0.01 0.20 0.180.0 0.0 1.1
0.00 0.00 0.0031 31 31 31 32 32 34 34 35 35 35 35 33 31 29 27 239 40 43 45 48 52 60 68 76 82 86 89 90 90 90 90 980 68 73 75 81 99 100 100 100 100 100 100 100 100 100 100 15.7 5.7 5.8 5.9 5.9 5.6 5.8 5.8 5.2 5 4.5 3.5 3.1 2.5 2.3 1.7 1
Sky Cover, %
Snowfall, in
Ice, in
Dew Point, °F
Relative Humidity, %
Wind Chill, °F:
Snow Level, feet above sea level: