National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Hulett Municipal Airport (KW43)

Lat: 44.66°NLon: 104.57°WElev: 4263ft.

Fair

82°F

28°C

Humidity 40%
Wind Speed S 3 mph
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 12:30 pm MDT
Extended Forecast for

Alva WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Northwest wind around 5 mph becoming northeast.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming south after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. South wind around 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Northwest wind around 5 mph becoming northeast.
Tonight
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming south after midnight.
Tuesday
Sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 68. East wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 95. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 67. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 86.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alva WY
 44.69°N 104.44°W (Elev. 4180 ft)
Last Update:
12:29 pm MDT Aug 17, 2025
Forecast Valid:
1pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation