Thief River Falls, MN Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Thief River Falls, MN in one place.
A slight chance of showers and thunderstorms before 8am. Partly sunny. High near 86, with temperatures falling to around 84 in the afternoon. East wind 7 to 14 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Thief River Falls, MN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 7:56 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Thief River Falls, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:56 PM CDT
- Forecast office
- FGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Thief River Falls
Thursday looks like the warmest upcoming period in Thief River Falls at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 12 to 22 mph NW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:56 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FGF
- Radar station
- KMVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 1am and 2am, then patchy smoke. Partly cloudy, with a low around 63. East wind around 14 mph. Chance of precipitation is 20%.
Patchy smoke before 8am, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 15 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. East southeast wind 13 to 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Southwest wind 12 to 15 mph. Chance of precipitation is 50%.
Mostly clear, with a low around 63. North wind 6 to 15 mph.
Sunny, with a high near 88. North wind around 8 mph.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. East wind around 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 8 to 15 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 64. West wind 10 to 14 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 84. Northwest wind 12 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 58. North northwest wind 9 to 21 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
86°F |
7 to 14 mph
E
|
|
Wednesday Night
Jul 15
|
Partly Cloudy then Slight Chance Rain Showers
|
63°F |
14 mph
E
|
|
Thursday
Jul 16
|
Patchy Smoke then Slight Chance Showers And Thunderstorms
|
90°F |
15 mph
E
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
68°F |
13 to 16 mph
ESE
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms then Mostly Sunny
|
90°F |
12 to 15 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
63°F |
6 to 15 mph
N
|
|
Saturday
Jul 18
|
Sunny
|
88°F |
8 mph
N
|
|
Saturday Night
Jul 18
|
Partly Cloudy then Chance Showers And Thunderstorms
|
64°F |
7 mph
E
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
90°F |
8 to 15 mph
SW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
64°F |
10 to 14 mph
W
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
12 to 22 mph
NW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
58°F |
9 to 21 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thief River Falls.
