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 >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 18 Aug 04:15 AM MDT
Extended Forecast for

5 Miles SSE Madison WY

  • Today

    Today: Sunny, with a high near 77. Light and variable wind becoming southwest 8 to 13 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Southwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Light and variable wind becoming southwest 8 to 13 mph in the afternoon.
Tonight
Mostly clear, with a low around 39. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 43. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Madison WY
 44.58°N 110.84°W (Elev. 7362 ft)
Last Update:
12:42 am MDT Aug 18, 2025
Forecast Valid:
4am MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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