Lewiston, MN Weather Forecast
Local 7-day forecast
Areas Of Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Lewiston, MN in one place.
Areas of fog. Mostly cloudy, with a low around 50. Northwest wind around 6 mph.
Local Weather Overview
This forecast page for Lewiston, 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: Apr 15, 2026 4:35 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Lewiston, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:35 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewiston
Friday looks like the warmest upcoming period in Lewiston at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Saturday Night at about 13 to 22 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:35 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread fog before 9am, then a slight chance of rain showers. Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. North wind around 6 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 5am. Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. Northeast wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 70. East wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 53. South wind 7 to 13 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 75. South wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 33. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
A chance of rain showers before 7am, then a chance of rain and snow showers. Partly sunny, with a high near 41. Northwest wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
A chance of rain and snow showers before 1am. Partly cloudy, with a low around 28. Northwest wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 29. Southeast wind 6 to 10 mph.
Sunny, with a high near 60. South wind 8 to 15 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 45. South wind around 14 mph, with gusts as high as 24 mph.
Sunny, with a high near 67. Southwest wind around 15 mph, with gusts as high as 23 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Areas Of Fog
|
50°F |
6 mph
NW
|
|
Wednesday
Apr 15
|
Widespread Fog then Slight Chance Rain Showers
|
66°F |
6 mph
N
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms
|
49°F |
6 mph
NE
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
70°F |
7 mph
E
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
53°F |
7 to 13 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Showers And Thunderstorms Likely
|
75°F |
13 to 20 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms Likely
|
33°F |
18 mph
W
|
|
Saturday
Apr 18
|
Chance Rain And Snow Showers
|
41°F |
21 mph
NW
|
|
Saturday Night
Apr 18
|
Chance Rain And Snow Showers
|
28°F |
13 to 22 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
47°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
29°F |
6 to 10 mph
SE
|
|
Monday
Apr 20
|
Sunny
|
60°F |
8 to 15 mph
S
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
45°F |
14 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
67°F |
15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewiston.