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 >

Current conditions at

McGrath, McGrath Airport (PAMC)

Lat: 62.97°NLon: 155.62°WElev: 338ft.

Overcast

42°F

6°C

Humidity 71%
Wind Speed Calm
Barometer 29.72 in (1006.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 May 2:53 am AKDT
Extended Forecast for

Nikolai AK

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 4pm. Cloudy, with a high near 60. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 1pm. Mostly cloudy, with a high near 57. Calm wind. Chance of precipitation is 60%.

    High: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 4pm. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Calm wind.
Thursday
Showers likely, mainly after 4pm. Cloudy, with a high near 60. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 40. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm, mainly after 1pm. Mostly cloudy, with a high near 57. Calm wind. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 38.
Sunday
A chance of showers after 4pm. Mostly cloudy, with a high near 60.
Sunday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 41.
Memorial Day
Partly sunny, with a high near 62.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nikolai AK
 63°N 154.37°W (Elev. 423 ft)
Last Update:
3:16 am AKDT May 21, 2026
Forecast Valid:
3am AKDT May 21, 2026-6pm AKDT May 27, 2026
 
Forecast Discussion
 
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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