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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Current conditions at

Pocatello, Pocatello Regional Airport (KPIH)

Lat: 42.92028°NLon: 112.57111°WElev: 4449.0ft.

Clear

59°F

15°C

Humidity 28%
Wind Speed SSW 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 May 10:05 PM MDT
Extended Forecast for

11 Miles NW Fort Hall ID

Lake Wind Advisory May 21, 11:00am until May 21, 09:00pm
Click here for hazard details and duration
Lake Wind Advisory

  • Tonight

    Tonight: Rain likely, mainly after 3am. Mostly cloudy, with a low around 37. South southwest wind 7 to 11 mph becoming north northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Cloudy then
    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 63. North wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 63 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Northeast wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. North northeast wind 5 to 7 mph becoming light and variable.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Southwest wind around 7 mph becoming east southeast after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 37. South southwest wind 7 to 11 mph becoming north northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 63. North wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 32. Northeast wind 7 to 14 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 69. North northeast wind 5 to 7 mph becoming light and variable.
Friday Night
Mostly clear, with a low around 36. Southwest wind around 7 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 43.
Memorial Day
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Fort Hall ID
 43.12°N 112.6°W (Elev. 4419 ft)
Last Update:
5:30 pm MDT May 20, 2026
Forecast Valid:
10pm MDT May 20, 2026-6pm MDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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