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

53°F

12°C

Humidity 35%
Wind Speed S 6 mph
Barometer 29.74 in (1007.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 May 7:53 pm AKDT
Extended Forecast for

Nikolai AK

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 10am. High near 60. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 10pm. Low around 40. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 57. Calm wind. Chance of precipitation is 80%.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am. Low around 38. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °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 40.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm.
Thursday
Showers, mainly after 10am. High near 60. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers, mainly before 10pm. Low around 40. Southeast wind around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 57. Calm wind. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am. Low around 38. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 36.
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 40.
Memorial Day
A slight chance of showers after 4pm. Partly sunny, with a high near 62.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 45.
Tuesday
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:
8:17 pm AKDT May 20, 2026
Forecast Valid:
8pm AKDT May 20, 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