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

Grove, Grove Municipal Airport (KGMJ)

Lat: 36.61°NLon: 94.74°WElev: 833ft.

Overcast

61°F

16°C

Humidity NA
Wind Speed NE 5 mph
Barometer 30.14 in
Dewpoint N/A
Visibility 10.00 mi
Last update 20 May 10:55 pm CDT
Extended Forecast for

4 Miles SE Quapaw OK

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Northeast wind around 5 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 61. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Southeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 59 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Calm wind becoming south around 5 mph.

    High: 79 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Northeast wind around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 61. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 75. Southeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 70%.
Friday Night
A slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Calm wind becoming south around 5 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Quapaw OK
 36.9°N 94.75°W
Last Update:
10:51 pm CDT May 20, 2026
Forecast Valid:
11pm CDT May 20, 2026-6pm CDT 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